<!Doctype html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			body{
				background-color: #0a0;
			}
		</style>
	</head>
	<body>
		<h1>2.html 的页面</h1>
		<hr>

	
		
	</body>
</html>